pathogens quiz

Question 1

Prokaryotic

Answer 1

-lack of nucleus; and other membrane organelles
-single celled organisms
-Domains: Archea and bacteria
-0.5-2 um in diameter
-large surface to volume ration (3:1)

Question 2

Archea

Answer 2

no diesease causing organisms; thermophiles, e

Question 3

Eukaryotic

Answer 3

-contain a nucleus and other membrane bound structures
-plants, animals, fungi, protists

Question 4

Bacteria arrangement

Answer 4

-Diplo (2) - in on plane
-tetra (4) - in two planes
-sarcinan (8)- in three planes
-Bacillus- in one plane end to end making chains; rods that make chains

Question 5

prokaryotic peptidoglycan components

Answer 5

1. Sugar backbone
   2.tetra peptide crosslinkers
2. penta glycine bridge

Question 6

prokaryotic peptidoglycan function

Answer 6

-maintains shape
-prevent lysis
-water passes thru via osmosis
-no real regulation of materials
if peptidoglycan is enzymatically dissolved

Question 7

Gram negative cell wall peptidogylcan

Answer 7

-DAP- type; sugar backbone, tetra peptide

Question 8

Gram negative periplasmic space

Answer 8

-digestive space
-protein pumps
-bacterial toxin

Question 9

3 Antigens

Answer 9

O- Cell wall
K- capsule
H-Flagella

Question 10

Gram negative cells (outer membrane)

Answer 10

fluid mosaic model (lipid + many sugars

Question 11

Gram positive cells peptidogylcan

Answer 11

1. sugar backbone
2. tetra
3. penta

Question 12

Gram positive cells periplasm

Answer 12

semi solid structure

Question 13

Acid fast cell walls

Answer 13

1. lipids
2. peptodpgyclan

Question 14

ecto

Answer 14

-on/outside
-ticks, fleas

Question 15

endo

Answer 15

-in/inside
-virus, tapeworm

Question 16

obligate

Answer 16

-must be with a host

Question 17

farulatiative

Answer 17

-can have free living stages

Question 18

permanent

Answer 18

whole life

Question 19

temporary

Answer 19

on and off

Question 20

definitive host

Answer 20

host where sexual replication occurs “adult stage.”

Question 21

intermediate host

Answer 21

any other stage

Question 22

reservoir host

Answer 22

place where pathogen survives and thrives -jump or move to human.

Question 23

parasite envasion strategies

Answer 23

avoiding death by the immune responses

Question 24

host cell invasion

Answer 24

-enter our cells
-extracellular environment to intracellular

Question 25

immunological challenges

Answer 25

parasite will change outer protein and carbohydrate coat.

Question 26

encystment

Answer 26

enter into stasis inside a structure, created by the parasite

Question 27

damage to the host caused by patasite

Answer 27

nutritional deprivation
direct trauma. obstruction
inflammation/ immunological reaction

Question 28

Gram negative periplasmic space

Answer 28

-digestive space
-protein pumps
-bacterial toxin